src/input/input.c

   1 /*****************************************************************************
   2  * input.c: input thread
   3  * Read an MPEG2 stream, demultiplex and parse it before sending it to
   4  * decoders.
   5  *****************************************************************************
   6  * Copyright (C) 1998, 1999, 2000 VideoLAN
   7  * $Id: input.c,v 1.114 2001/05/30 22:16:07 sam Exp $
   8  *
   9  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include "defs.h"
  30
  31 #include <stdlib.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <fcntl.h>
  35 #include <unistd.h>
  36 #include <string.h>
  37 #ifdef STRNCASECMP_IN_STRINGS_H
  38 #   include <strings.h>
  39 #endif
  40 #include <errno.h>
  41
  42 /* WinSock Includes */
  43
  44 #ifdef WIN32
  45 #include <winsock2.h>
  46 #endif
  47
  48
  49 /* Network functions */
  50
  51 #if !defined( SYS_BEOS ) && !defined( SYS_NTO ) && !defined( WIN32 )
  52 #include <netdb.h>                                            /* hostent ... */
  53 #include <sys/socket.h>
  54 #include <netinet/in.h>
  55 #include <arpa/inet.h>
  56 #include <sys/types.h>
  57 #include <sys/socket.h>
  58 #endif
  59
  60 #ifdef STATS
  61 #   include <sys/times.h>
  62 #endif
  63
  64 #include "config.h"
  65 #include "common.h"
  66 #include "threads.h"
  67 #include "mtime.h"
  68 #include "netutils.h"
  69 #include "modules.h"
  70
  71 #include "intf_msg.h"
  72 #include "intf_playlist.h"
  73
  74 #include "stream_control.h"
  75 #include "input_ext-intf.h"
  76 #include "input_ext-dec.h"
  77
  78 #include "input.h"
  79 #include "interface.h"
  80
  81 #include "main.h"
  82
  83
  84 /*****************************************************************************
  85  * Local prototypes
  86  *****************************************************************************/
  87 static void RunThread       ( input_thread_t *p_input );
  88 static  int InitThread      ( input_thread_t *p_input );
  89 static void ErrorThread     ( input_thread_t *p_input );
  90 static void DestroyThread   ( input_thread_t *p_input );
  91 static void EndThread       ( input_thread_t *p_input );
  92
  93 static void FileOpen        ( input_thread_t *p_input );
  94 static void FileClose       ( input_thread_t *p_input );
  95 static void NetworkOpen     ( input_thread_t *p_input );
  96 static void NetworkClose    ( input_thread_t *p_input );
  97
  98 /*****************************************************************************
  99  * input_CreateThread: creates a new input thread
 100  *****************************************************************************
 101  * This function creates a new input, and returns a pointer
 102  * to its description. On error, it returns NULL.
 103  * If pi_status is NULL, then the function will block until the thread is ready.
 104  * If not, it will be updated using one of the THREAD_* constants.
 105  *****************************************************************************/
 106 input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
 107 {
 108     input_thread_t *    p_input;                        /* thread descriptor */
 109     int                 i_status;                           /* thread status */
 110
 111     /* Allocate descriptor */
 112     p_input = (input_thread_t *)malloc( sizeof(input_thread_t) );
 113     if( p_input == NULL )
 114     {
 115         intf_ErrMsg( "input error: can't allocate input thread (%s)",
 116                      strerror(errno) );
 117         return( NULL );
 118     }
 119
 120     /* Packets read once */
 121     p_input->i_read_once = INPUT_READ_ONCE;
 122
 123     /* Initialize thread properties */
 124     p_input->b_die              = 0;
 125     p_input->b_error            = 0;
 126     p_input->b_eof              = 0;
 127
 128     /* Set target */
 129     p_input->p_source           = p_item->psz_name;
 130
 131     /* I have never understood that stuff --Meuuh */
 132     p_input->pi_status          = (pi_status != NULL) ? pi_status : &i_status;
 133     *p_input->pi_status         = THREAD_CREATE;
 134
 135     /* Initialize stream description */
 136     p_input->stream.i_es_number = 0;
 137     p_input->stream.i_selected_es_number = 0;
 138     p_input->stream.i_pgrm_number = 0;
 139     p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
 140     p_input->stream.i_mux_rate = 0;
 141
 142     /* no stream, no area */
 143     p_input->stream.i_area_nb = 0;
 144     p_input->stream.pp_areas = NULL;
 145     p_input->stream.p_selected_area = NULL;
 146     p_input->stream.p_new_area = NULL;
 147     /* By default there is one areas in a stream */
 148     input_AddArea( p_input );
 149     p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
 150
 151     /* Initialize stream control properties. */
 152     p_input->stream.control.i_status = PLAYING_S;
 153     p_input->stream.control.i_rate = DEFAULT_RATE;
 154     p_input->stream.control.b_mute = 0;
 155     p_input->stream.control.b_bw = 0;
 156
 157     /* Setup callbacks */
 158     p_input->pf_file_open     = FileOpen;
 159     p_input->pf_file_close    = FileClose;
 160 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
 161     p_input->pf_network_open  = NetworkOpen;
 162     p_input->pf_network_close = NetworkClose;
 163 #endif
 164
 165     /* Create thread and set locks. */
 166     vlc_mutex_init( &p_input->stream.stream_lock );
 167     vlc_cond_init( &p_input->stream.stream_wait );
 168     vlc_mutex_init( &p_input->stream.control.control_lock );
 169     if( vlc_thread_create( &p_input->thread_id, "input", (void *) RunThread,
 170                            (void *) p_input ) )
 171     {
 172         intf_ErrMsg( "input error: can't create input thread (%s)",
 173                      strerror(errno) );
 174         free( p_input );
 175         return( NULL );
 176     }
 177
 178     /* If status is NULL, wait until the thread is created */
 179     if( pi_status == NULL )
 180     {
 181         do
 182         {
 183             msleep( THREAD_SLEEP );
 184         } while( (i_status != THREAD_READY) && (i_status != THREAD_ERROR)
 185                 && (i_status != THREAD_FATAL) );
 186         if( i_status != THREAD_READY )
 187         {
 188             return( NULL );
 189         }
 190     }
 191     return( p_input );
 192 }
 193
 194 /*****************************************************************************
 195  * input_DestroyThread: mark an input thread as zombie
 196  *****************************************************************************
 197  * This function should not return until the thread is effectively cancelled.
 198  *****************************************************************************/
 199 void input_DestroyThread( input_thread_t *p_input, int *pi_status )
 200 {
 201     int         i_status;                                   /* thread status */
 202
 203     /* Set status */
 204     p_input->pi_status = (pi_status != NULL) ? pi_status : &i_status;
 205     *p_input->pi_status = THREAD_DESTROY;
 206
 207     /* Request thread destruction */
 208     p_input->b_die = 1;
 209
 210     /* Make the thread exit of an eventual vlc_cond_wait() */
 211     vlc_mutex_lock( &p_input->stream.stream_lock );
 212     vlc_cond_signal( &p_input->stream.stream_wait );
 213     vlc_mutex_unlock( &p_input->stream.stream_lock );
 214
 215     /* If status is NULL, wait until thread has been destroyed */
 216     if( pi_status == NULL )
 217     {
 218         do
 219         {
 220             msleep( THREAD_SLEEP );
 221         } while ( (i_status != THREAD_OVER) && (i_status != THREAD_ERROR)
 222                   && (i_status != THREAD_FATAL) );
 223     }
 224 }
 225
 226 /*****************************************************************************
 227  * RunThread: main thread loop
 228  *****************************************************************************
 229  * Thread in charge of processing the network packets and demultiplexing.
 230  *****************************************************************************/
 231 static void RunThread( input_thread_t *p_input )
 232 {
 233     int                     i_error, i;
 234
 235     if( InitThread( p_input ) )
 236     {
 237
 238         /* If we failed, wait before we are killed, and exit */
 239         *p_input->pi_status = THREAD_ERROR;
 240         p_input->b_error = 1;
 241         ErrorThread( p_input );
 242         DestroyThread( p_input );
 243         return;
 244     }
 245
 246     /* initialization is completed */
 247     vlc_mutex_lock( &p_input->stream.stream_lock );
 248     p_input->stream.b_changed = 1;
 249     vlc_mutex_unlock( &p_input->stream.stream_lock );
 250
 251     while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
 252     {
 253         data_packet_t *         pp_packets[p_input->i_read_once];
 254
 255 #ifdef STATS
 256         p_input->c_loops++;
 257 #endif
 258
 259         vlc_mutex_lock( &p_input->stream.stream_lock );
 260
 261         if( p_input->stream.p_new_area )
 262         {
 263             p_input->pf_set_area( p_input, p_input->stream.p_new_area );
 264             p_input->stream.p_new_area = NULL;
 265         }
 266
 267         if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
 268         {
 269             if( p_input->stream.b_seekable && p_input->pf_seek != NULL )
 270             {
 271                 p_input->pf_seek( p_input,
 272                                   p_input->stream.p_selected_area->i_seek );
 273
 274                 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 275                 {
 276                     pgrm_descriptor_t * p_pgrm
 277                                             = p_input->stream.pp_programs[i];
 278                     /* Escape all decoders for the stream discontinuity they
 279                      * will encounter. */
 280                     input_EscapeDiscontinuity( p_input, p_pgrm );
 281
 282                     /* Reinitialize synchro. */
 283                     p_pgrm->i_synchro_state = SYNCHRO_REINIT;
 284                 }
 285             }
 286             p_input->stream.p_selected_area->i_seek = NO_SEEK;
 287         }
 288
 289         if( p_input->stream.p_removed_es )
 290         {
 291             input_UnselectES( p_input, p_input->stream.p_removed_es );
 292             p_input->stream.p_removed_es = NULL;
 293         }
 294
 295         if( p_input->stream.p_newly_selected_es )
 296         {
 297             input_SelectES( p_input, p_input->stream.p_newly_selected_es );
 298             p_input->stream.p_newly_selected_es = NULL;
 299         }
 300
 301         vlc_mutex_unlock( &p_input->stream.stream_lock );
 302
 303         i_error = p_input->pf_read( p_input, pp_packets );
 304
 305         /* Demultiplex read packets. */
 306         for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
 307         {
 308             p_input->pf_demux( p_input, pp_packets[i] );
 309         }
 310
 311         if( i_error )
 312         {
 313             if( i_error == 1 )
 314             {
 315                 /* End of file - we do not set b_die because only the
 316                  * interface is allowed to do so. */
 317                 intf_WarnMsg( 3, "input: EOF reached" );
 318                 p_input->b_eof = 1;
 319             }
 320             else
 321             {
 322                 p_input->b_error = 1;
 323             }
 324         }
 325     }
 326
 327     if( p_input->b_error || p_input->b_eof )
 328     {
 329         ErrorThread( p_input );
 330     }
 331
 332     EndThread( p_input );
 333
 334     DestroyThread( p_input );
 335
 336     intf_DbgMsg("input: Thread end");
 337 }
 338
 339 /*****************************************************************************
 340  * InitThread: init the input Thread
 341  *****************************************************************************/
 342 static int InitThread( input_thread_t * p_input )
 343 {
 344
 345 #ifdef STATS
 346     /* Initialize statistics */
 347     p_input->c_loops                    = 0;
 348     p_input->c_bytes                    = 0;
 349     p_input->c_payload_bytes            = 0;
 350     p_input->c_packets_read             = 0;
 351     p_input->c_packets_trashed          = 0;
 352 #endif
 353
 354     /* Default, might get overwritten */
 355     p_input->pf_open = p_input->pf_file_open;
 356     p_input->pf_close = p_input->pf_file_close;
 357
 358     p_input->p_input_module = module_Need( MODULE_CAPABILITY_INPUT,
 359                                            (probedata_t *)p_input );
 360
 361     if( p_input->p_input_module == NULL )
 362     {
 363         intf_ErrMsg( "input error: no suitable input module for `%s'",
 364                      p_input->p_source );
 365         return( -1 );
 366     }
 367
 368 #define f p_input->p_input_module->p_functions->input.functions.input
 369     p_input->pf_init          = f.pf_init;
 370     if( f.pf_open != NULL )
 371     {
 372         p_input->pf_open          = f.pf_open;
 373     }
 374     if( f.pf_close != NULL )
 375     {
 376         p_input->pf_close         = f.pf_close;
 377     }
 378     p_input->pf_end           = f.pf_end;
 379     p_input->pf_read          = f.pf_read;
 380     p_input->pf_set_area      = f.pf_set_area;
 381     p_input->pf_demux         = f.pf_demux;
 382     p_input->pf_new_packet    = f.pf_new_packet;
 383     p_input->pf_new_pes       = f.pf_new_pes;
 384     p_input->pf_delete_packet = f.pf_delete_packet;
 385     p_input->pf_delete_pes    = f.pf_delete_pes;
 386     p_input->pf_rewind        = f.pf_rewind;
 387     p_input->pf_seek          = f.pf_seek;
 388 #undef f
 389     p_input->pf_open( p_input );
 390
 391     if( p_input->b_error )
 392     {
 393         /* We barfed -- exit nicely */
 394         p_input->pf_close( p_input );
 395         module_Unneed( p_input->p_input_module );
 396         return( -1 );
 397     }
 398
 399     p_input->pf_init( p_input );
 400
 401     if( p_input->b_error )
 402     {
 403         /* We barfed -- exit nicely */
 404         p_input->pf_close( p_input );
 405         module_Unneed( p_input->p_input_module );
 406         return( -1 );
 407     }
 408
 409     *p_input->pi_status = THREAD_READY;
 410
 411     return( 0 );
 412 }
 413
 414 /*****************************************************************************
 415  * ErrorThread: RunThread() error loop
 416  *****************************************************************************
 417  * This function is called when an error occured during thread main's loop.
 418  *****************************************************************************/
 419 static void ErrorThread( input_thread_t *p_input )
 420 {
 421     while( !p_input->b_die )
 422     {
 423         /* Sleep a while */
 424         msleep( INPUT_IDLE_SLEEP );
 425     }
 426 }
 427
 428 /*****************************************************************************
 429  * EndThread: end the input thread
 430  *****************************************************************************/
 431 static void EndThread( input_thread_t * p_input )
 432 {
 433     int *       pi_status;                                  /* thread status */
 434
 435     /* Store status */
 436     pi_status = p_input->pi_status;
 437     *pi_status = THREAD_END;
 438
 439 #ifdef STATS
 440     {
 441         struct tms cpu_usage;
 442         times( &cpu_usage );
 443
 444         intf_Msg("input stats: cpu usage (user: %d, system: %d)",
 445                  cpu_usage.tms_utime, cpu_usage.tms_stime);
 446     }
 447 #endif
 448
 449     /* Free all ES and destroy all decoder threads */
 450     input_EndStream( p_input );
 451
 452     /* Free demultiplexer's data */
 453     p_input->pf_end( p_input );
 454
 455     /* Close stream */
 456     p_input->pf_close( p_input );
 457
 458     /* Release modules */
 459     module_Unneed( p_input->p_input_module );
 460
 461 }
 462
 463 /*****************************************************************************
 464  * DestroyThread: destroy the input thread
 465  *****************************************************************************/
 466 static void DestroyThread( input_thread_t * p_input )
 467 {
 468     int *       pi_status;                                  /* thread status */
 469
 470     /* Store status */
 471     pi_status = p_input->pi_status;
 472
 473     /* Destroy Mutex locks */
 474     vlc_mutex_destroy( &p_input->stream.control.control_lock );
 475     vlc_mutex_destroy( &p_input->stream.stream_lock );
 476
 477     /* Free input structure */
 478     free( p_input );
 479
 480     /* Update status */
 481     *pi_status = THREAD_OVER;
 482 }
 483
 484 /*****************************************************************************
 485  * FileOpen : open a file descriptor
 486  *****************************************************************************/
 487 static void FileOpen( input_thread_t * p_input )
 488 {
 489     struct stat         stat_info;
 490     int                 i_stat;
 491
 492     char *psz_name = p_input->p_source;
 493
 494     /* FIXME: this code ought to be in the plugin so that code can
 495      * be shared with the *_Probe function */
 496     if( ( i_stat = stat( psz_name, &stat_info ) ) == (-1) )
 497     {
 498         int i_size = strlen( psz_name );
 499
 500         if( ( i_size > 4 )
 501             && !strncasecmp( psz_name, "dvd:", 4 ) )
 502         {
 503             /* get rid of the 'dvd:' stuff and try again */
 504             psz_name += 4;
 505             i_stat = stat( psz_name, &stat_info );
 506         }
 507         else if( ( i_size > 5 )
 508                  && !strncasecmp( psz_name, "file:", 5 ) )
 509         {
 510             /* get rid of the 'file:' stuff and try again */
 511             psz_name += 5;
 512             i_stat = stat( psz_name, &stat_info );
 513         }
 514
 515         if( i_stat == (-1) )
 516         {
 517             intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
 518                          psz_name, strerror(errno));
 519             p_input->b_error = 1;
 520             return;
 521         }
 522     }
 523
 524     vlc_mutex_lock( &p_input->stream.stream_lock );
 525
 526     /* If we are here we can control the pace... */
 527     p_input->stream.b_pace_control = 1;
 528
 529     if( S_ISREG(stat_info.st_mode) || S_ISCHR(stat_info.st_mode)
 530          || S_ISBLK(stat_info.st_mode) )
 531     {
 532         p_input->stream.b_seekable = 1;
 533         p_input->stream.p_selected_area->i_size = stat_info.st_size;
 534     }
 535     else if( S_ISFIFO(stat_info.st_mode)
 536 #if !defined( SYS_BEOS ) && !defined( WIN32 )
 537              || S_ISSOCK(stat_info.st_mode)
 538 #endif
 539              )
 540     {
 541         p_input->stream.b_seekable = 0;
 542         p_input->stream.p_selected_area->i_size = 0;
 543     }
 544     else
 545     {
 546         vlc_mutex_unlock( &p_input->stream.stream_lock );
 547         intf_ErrMsg( "input error: unknown file type for `%s'",
 548                      psz_name );
 549         p_input->b_error = 1;
 550         return;
 551     }
 552
 553     p_input->stream.p_selected_area->i_tell = 0;
 554     vlc_mutex_unlock( &p_input->stream.stream_lock );
 555
 556     intf_WarnMsg( 1, "input: opening file `%s'", p_input->p_source );
 557 #ifndef WIN32
 558     if( (p_input->i_handle = open( psz_name,
 559                                    /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
 560 #else
 561     if( (p_input->i_handle = open( psz_name, O_BINARY
 562                                    /*O_NONBLOCK | O_LARGEFILE*/ )) == (-1) )
 563 #endif
 564     {
 565         intf_ErrMsg( "input error: cannot open file (%s)", strerror(errno) );
 566         p_input->b_error = 1;
 567         return;
 568     }
 569
 570 }
 571
 572 /*****************************************************************************
 573  * FileClose : close a file descriptor
 574  *****************************************************************************/
 575 static void FileClose( input_thread_t * p_input )
 576 {
 577     intf_WarnMsg( 1, "input: closing file `%s'", p_input->p_source );
 578     close( p_input->i_handle );
 579
 580     return;
 581 }
 582
 583
 584 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
 585 /*****************************************************************************
 586  * NetworkOpen : open a network socket
 587  *****************************************************************************/
 588 static void NetworkOpen( input_thread_t * p_input )
 589 {
 590     char                *psz_server = NULL;
 591     char                *psz_broadcast = NULL;
 592     int                 i_port = 0;
 593     int                 i_opt;
 594     struct sockaddr_in  sock;
 595
 596 #ifdef WIN32
 597     /* WinSock Library Init. */
 598     WSADATA Data;
 599     int i_err = WSAStartup( MAKEWORD( 1, 1 ), &Data );
 600
 601     if( i_err )
 602     {
 603         intf_ErrMsg( "input: can't initiate WinSocks, error %i", i_err );
 604         return ;
 605     }
 606 #endif
 607
 608     /* Get the remote server */
 609     if( p_input->p_source != NULL )
 610     {
 611         psz_server = p_input->p_source;
 612
 613         /* Skip the protocol name */
 614         while( *psz_server && *psz_server != ':' )
 615         {
 616             psz_server++;
 617         }
 618
 619         /* Skip the "://" part */
 620         while( *psz_server && (*psz_server == ':' || *psz_server == '/') )
 621         {
 622             psz_server++;
 623         }
 624
 625         /* Found a server name */
 626         if( *psz_server )
 627         {
 628             char *psz_port = psz_server;
 629
 630             /* Skip the hostname part */
 631             while( *psz_port && *psz_port != ':' )
 632             {
 633                 psz_port++;
 634             }
 635
 636             /* Found a port name */
 637             if( *psz_port )
 638             {
 639                 /* Replace ':' with '\0' */
 640                 *psz_port = '\0';
 641                 psz_port++;
 642
 643                 psz_broadcast = psz_port;
 644                 while( *psz_broadcast && *psz_broadcast != ':' )
 645                 {
 646                     psz_broadcast++;
 647                 }
 648
 649                 if( *psz_broadcast )
 650                 {
 651                     *psz_broadcast = '\0';
 652                     psz_broadcast++;
 653                     while( *psz_broadcast && *psz_broadcast == ':' )
 654                     {
 655                         psz_broadcast++;
 656                     }
 657                 }
 658                 else
 659                 {
 660                     psz_broadcast = NULL;
 661                 }
 662
 663                 /* port before broadcast address */
 664                 if( *psz_port != ':' )
 665                 {
 666                     i_port = atoi( psz_port );
 667                 }
 668             }
 669         }
 670         else
 671         {
 672             psz_server = NULL;
 673         }
 674     }
 675
 676     /* Check that we got a valid server */
 677     if( psz_server == NULL )
 678     {
 679         psz_server = main_GetPszVariable( INPUT_SERVER_VAR,
 680                                           INPUT_SERVER_DEFAULT );
 681     }
 682
 683     /* Check that we got a valid port */
 684     if( i_port == 0 )
 685     {
 686         i_port = main_GetIntVariable( INPUT_PORT_VAR, INPUT_PORT_DEFAULT );
 687     }
 688
 689     if( psz_broadcast == NULL )
 690     {
 691         /* Are we broadcasting ? */
 692         if( main_GetIntVariable( INPUT_BROADCAST_VAR,
 693                                  INPUT_BROADCAST_DEFAULT ) )
 694         {
 695             psz_broadcast = main_GetPszVariable( INPUT_BCAST_ADDR_VAR,
 696                                                  INPUT_BCAST_ADDR_DEFAULT );
 697         }
 698         else
 699         {
 700            psz_broadcast = NULL;
 701         }
 702     }
 703
 704     intf_WarnMsg( 2, "input: server: %s port: %d broadcast: %s",
 705                      psz_server, i_port, psz_broadcast );
 706
 707     /* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
 708      * protocol */
 709     p_input->i_handle = socket( AF_INET, SOCK_DGRAM, 0 );
 710     if( p_input->i_handle == -1 )
 711     {
 712         intf_ErrMsg("input error: can't create socket : %s", strerror(errno));
 713         p_input->b_error = 1;
 714         return;
 715     }
 716
 717     /* We may want to reuse an already used socket */
 718     i_opt = 1;
 719     if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
 720                     &i_opt, sizeof( i_opt ) ) == -1 )
 721     {
 722         intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
 723                      strerror(errno));
 724         close( p_input->i_handle );
 725         p_input->b_error = 1;
 726         return;
 727     }
 728
 729     /* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
 730      * packet loss caused by scheduling problems */
 731     i_opt = 0x80000;
 732     if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
 733                     &i_opt, sizeof( i_opt ) ) == -1 )
 734     {
 735         intf_ErrMsg( "input error: can't configure socket (SO_RCVBUF: %s)",
 736                      strerror(errno));
 737         close( p_input->i_handle );
 738         p_input->b_error = 1;
 739         return;
 740     }
 741
 742     /* Build the local socket */
 743     if ( network_BuildLocalAddr( &sock, i_port, psz_broadcast ) == -1 )
 744     {
 745         intf_ErrMsg( "input error: can't build local address" );
 746         close( p_input->i_handle );
 747         p_input->b_error = 1;
 748         return;
 749     }
 750
 751     /* Bind it */
 752     if( bind( p_input->i_handle, (struct sockaddr *)&sock,
 753               sizeof( sock ) ) < 0 )
 754     {
 755         intf_ErrMsg("input error: can't bind socket (%s)", strerror(errno));
 756         close( p_input->i_handle );
 757         p_input->b_error = 1;
 758         return;
 759     }
 760
 761     /* Build socket for remote connection */
 762     if ( network_BuildRemoteAddr( &sock, psz_server ) == -1 )
 763     {
 764         intf_ErrMsg( "input error: can't build remote address" );
 765         close( p_input->i_handle );
 766         p_input->b_error = 1;
 767         return;
 768     }
 769
 770     /* And connect it ... should we really connect ? */
 771     if( connect( p_input->i_handle, (struct sockaddr *) &sock,
 772                  sizeof( sock ) ) == (-1) )
 773     {
 774         intf_ErrMsg( "input error: can't connect socket, %s",
 775                      strerror(errno) );
 776         close( p_input->i_handle );
 777         p_input->b_error = 1;
 778         return;
 779     }
 780
 781     /* We can't pace control, but FIXME : bug in meuuh's code to sync PCR
 782      * with the server. */
 783     p_input->stream.b_pace_control = 0;
 784     p_input->stream.b_seekable = 0;
 785
 786     intf_WarnMsg( 3, "input: successfully opened network mode" );
 787
 788     return;
 789 }
 790
 791 /*****************************************************************************
 792  * NetworkClose : close a network socket
 793  *****************************************************************************/
 794 static void NetworkClose( input_thread_t * p_input )
 795 {
 796     close( p_input->i_handle );
 797
 798 #ifdef WIN32
 799     WSACleanup();
 800 #endif
 801
 802 }
 803 #endif
 804